EB3; I140 Approved; Priority date March 2005

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Hi
my details below

EB3; I140 Approved; Priority date March 24 2005;

I am in India since 2011 and planning to return to US on fresh H1. Is this the best option to return to US and wait for date to become priority?

what are the next steps to continue the GC process with new employer as current employer is not responding to my emails on continuing GC

thanks